Canon RF 10-20 mm f4L IS STM vs Canon RF135mm F1.8 L IS USM

Key differences

The Canon RF135mm F1.8 L IS USM has 1 /12 more lens structure (elements/groups) than the Canon RF 10-20 mm f4L IS STM (17/12 vs 16/12). The Canon RF135mm F1.8 L IS USM has 0.45 m more closest focusing distance than the Canon RF 10-20 mm f4L IS STM (0.7 m vs 0.25 m). The Canon RF 10-20 mm f4L IS STM has 2.2 more maximum aperture number than the Canon RF135mm F1.8 L IS USM (4 vs 1.8). Lens type: Wide zoom lens on the Canon RF 10-20 mm f4L IS STM, Telephoto zoom lens on the Canon RF135mm F1.8 L IS USM. Lens viewing angle, horizontal: 121° 55' - 84° on the Canon RF 10-20 mm f4L IS STM, 15° on the Canon RF135mm F1.8 L IS USM.

• Lens structure (elements/groups)
  • RF 10-20 mm f4L IS STM:16/12
  • RF135mm F1.8 L IS USM:17/12
• Lens type
  • RF 10-20 mm f4L IS STM:Wide zoom lens
  • RF135mm F1.8 L IS USM:Telephoto zoom lens
• Lens viewing angle, horizontal
  • RF 10-20 mm f4L IS STM:121° 55' - 84°
  • RF135mm F1.8 L IS USM:15°
• Lens viewing angle, vertical
  • RF 10-20 mm f4L IS STM:100° 25' - 62°
  • RF135mm F1.8 L IS USM:10°
• Lens viewing angle, diagonal
  • RF 10-20 mm f4L IS STM:130° 25' - 94°
  • RF135mm F1.8 L IS USM:18°
• Focal length range
  • RF 10-20 mm f4L IS STM:10 - 20 mm
  • RF135mm F1.8 L IS USM:35 - 135 mm
• Closest focusing distance
  • RF 10-20 mm f4L IS STM:0.25 m
  • RF135mm F1.8 L IS USM:0.7 m
• Macro ratio
  • RF 10-20 mm f4L IS STM:1:8.33
  • RF135mm F1.8 L IS USM:1:4